Added comments.

2 files changed, 7 insertions, 1 deletions

diff --git a/linaro_image_tools/hwpack/tests/test_config_v3.py b/linaro_image_tools/hwpack/tests/test_config_v3.py
index 0d04849..27eb952 100644
--- a/linaro_image_tools/hwpack/tests/test_config_v3.py
+++ b/linaro_image_tools/hwpack/tests/test_config_v3.py
@@ -348,6 +348,8 @@ class ConfigTests(TestCase):
                                    config._validate_serial_tty)
 
     def test_validate_mmc_id_wrong(self):
+        # The mmc_id value, if coming from a yaml file, has to be quoted.
+        # Make sure the test does not accept a valid-unquoted value.
         config = self.get_config(self.valid_complete_v3 +
                                  "mmc_id: 1:1\n")
         self.assertRaises(HwpackConfigError, config._validate_mmc_id)
diff --git a/linaro_image_tools/hwpack/tests/test_hwpack_converter.py b/linaro_image_tools/hwpack/tests/test_hwpack_converter.py
index 9028c76..4f83994 100644
--- a/linaro_image_tools/hwpack/tests/test_hwpack_converter.py
+++ b/linaro_image_tools/hwpack/tests/test_hwpack_converter.py
@@ -168,7 +168,11 @@ class HwpackConverterTests(TestCaseWithFixtures):
         self.assertEqual(out_format, str(converter))
 
     def test_mmc_id(self):
-        """Test correct handling of mmc_id field."""
+        """Test correct handling of mmc_id field.
+
+        The mmc_id field has to be quoted coming out from the converter
+        otherwise when reading the yaml file the value is read as a number,
+        not a string."""
         ini_format = ("[hwpack]\nformat=2.0\nmmc_id=1:1")
         out_format = ("format: '3.0'\nmmc_id: '1:1'\n")
         input_file = self.useFixture(CreateTempFileFixture(ini_format)).\